Excal 1000, Excal II, Sovereign GT, CZ-20, Tiger Shark, Tejon, GTI 1500, Surfmaster Pulse, CZ6a, DFX, AT PRO, Fisher 1235, Surf PI Pro, 1280-X, many more because I enjoy learning them. New Garrett Ca
No they're not. Headphones made for metal detectors are though. If in doubt about the phones, a dealer won't mind you trying them with your detector in his shop. It pays to use quality headphones.